When Las Vegas rockers Imagine Dragons performed at last year’s Firefly, it was three months before the band’s breakthrough debut album was even released. Since then, the band exploded into the scene thanks to the single “Radioactive.” So when the band dropped out of their scheduled Firefly this year as the festival’s only returning act,

Walking into Firefly’s Heineken domes, muffled beats erupt into a cacophony of bass and visual stimulation. What is only a faint pulsation outside the domes becomes an all-enveloping environment when festivalgoers step inside. 80 tons of air conditioning shoot out of dedicated vents to cool down the sweaty festival crowd as DJs and VJs work

From Dave to Delaware. That’s how it was for Canadian rock duo Japandroids who performed at Firefly early Saturday afternoon, fresh from the band’s appearance on “Late Show with David Letterman” Thursday that ended with Letterman proclaiming, “Two guys. That’s all you need!” Armed with a pair of albums brimming with catchy choruses — 2009’s

Just a few hours ago this was the site of a “silent” dance party, with DJs spinning for fans bopping to the beat in headphones. Four hours later, though, campers were milling around, waiting in line for coffee and showers, and doing their downward facing dog to an acoustic version of Foster the People’s “Pumped

Scottish DJ/singer/songwriter Calvin Harris unleashed on Firefly Friday night, blending scorching percussion with ethereal melodies. The electro-house producer even gave a nod to Rihanna, performing his collaborator’s chart-topping “We Found Love.” Sadly, RiRi was not in attendance. The crowd didn’t seem to notice. The gyrating reached epic proportions when Harris spun a ferocious “Drinking from the Bottle.” That’s when a